const addBtn = document.getElementById('add');

const notes = JSON.parse(localStorage.getItem('notes'));

if(notes){
    notes.forEach(function(note){
        addNewNote(note);
    })
}

addBtn.addEventListener('click', function() {
    addNewNote();
})

function addNewNote(text =''){
    const note = document.createElement('div');
    note.classList.add('note');

    note.innerHTML = `
            <div class="tools">
                <button class="edit"><i class="fas fa-edit"></i></button>
                <button class="delete"><i class="fas fa-trash-alt"></i></button>
            </div>
            <div class="main ${text ? "" : "hidden"}"></div>
            <textarea class="${text ? "hidden" : ""}"></textarea>
    `;

    const editBtn = note.querySelector('.edit');
    const deleteBtn = note.querySelector('.delete');
    const main = note.querySelector('.main');
    const textarea = note.querySelector('.textarea');

    deleteBtn.addEventListener('click', function(){
        note.remove();

        updateLS();
    });

    editBtn.addEventListener('click', function(){
        main.classList.toggle('hidden');
        textArea.classList.toggle('hidden');
    });

    textArea.addEventListener('input', function(e){
        const{ value } = e.target;
        main.innerHTML = marked(value);
        updateLS()
    });
    document.body.appendChild(note);
}

function updateLS(){
    const noteText = document.querySelectorAll('textarea');
    const notes = [];
    notesText.forEach(function(note){
        notes.push(note.value);
    });

   localStorage.setItem('notes', JSON.stringify(notes));
}